diff options
| author | Ted Unangst <tedu@cvs.openbsd.org> | 2013-07-04 17:35:53 +0000 |
|---|---|---|
| committer | Ted Unangst <tedu@cvs.openbsd.org> | 2013-07-04 17:35:53 +0000 |
| commit | 8a6713047bfb9a490715c69aac3515eb989f7dcd (patch) | |
| tree | a297b117b23136483e4e30504eef1c2fac36fa51 /sys | |
| parent | 636045de9ff94f9f06e9eb8dda0a78bf4dd24875 (diff) | |
permit free(NULL) to work. ok deraadt
Diffstat (limited to 'sys')
| -rw-r--r-- | sys/kern/kern_malloc.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/sys/kern/kern_malloc.c b/sys/kern/kern_malloc.c index 74a4aab6b9f..34a976613a3 100644 --- a/sys/kern/kern_malloc.c +++ b/sys/kern/kern_malloc.c @@ -1,4 +1,4 @@ -/* $OpenBSD: kern_malloc.c,v 1.101 2013/05/31 20:44:10 tedu Exp $ */ +/* $OpenBSD: kern_malloc.c,v 1.102 2013/07/04 17:35:52 tedu Exp $ */ /* $NetBSD: kern_malloc.c,v 1.15.4.2 1996/06/13 17:10:56 cgd Exp $ */ /* @@ -376,6 +376,9 @@ free(void *addr, int type) struct kmemstats *ksp = &kmemstats[type]; #endif + if (addr == NULL) + return; + #ifdef MALLOC_DEBUG if (debug_free(addr, type)) return; |